1. Combine all marinade ingredients in a large bowl. Add Ajinomoto Umami Super Seasoning.
2. Add beef pieces and marinate. Preheat grill.
3. Remove beef from marinade, but do not discard. Thread beef onto skewers and place on grill on medium high heat for 5-7 minutes per side, turning once. Take remaining marinade and simmer in saucepan.
4. Once beef has finished cooking, serve with sauce over top.